Position Drive Train.

TM 55-1520-238-S

211.4 Position Drive Train. After removal of main

c. Remove Tailboom Aft Closeout Fair-

ings. Remove 21 screws from fairings

rotor blades, position the drive train so that the main ro-

tor pitch housings are positioned 45 to the centerline of

(L545 and R545).

the fuselage and the tail rotor blades are ``X ed'' horizon-

d. Remove Forward Ammunition Feed

tally as shown in figure 21.

Fairings. Release 10 camloc fasteners

at each fairing (L140 and R140).

211.5 Remove Main Rotor Deice Power Distributor

and Air Data System (ADS) Mast.

e. Stow Fairings and Access Covers. Wrap

fairings and access covers removed in

a. Remove Panel. Remove panel R200.

steps a thru d above with cushioning mate-

rial (D5) secured with tape (D13) and se-

CAUTION

cure in catwalk area.

NOTE

To prevent contamination of main rotor

drive shaft and stand pipe, cover drive

Wing trailing edges will be removed when

plate cover as soon as sensor housing

required for internal connection access on

unit is removed.

extendedrange capable helicopters.

Trailing edges will be reinstalled for wing

b. Removal. Remove main rotor deice pow-

stowage.

er distributor and air data system mast (fig.

f. (ExtendedRange Capable Helicopters

23 and TM 1-1520-238-23).

Only)

Remove

Wing

Trailing

c. Secure Cables. Reinstall (for stowage)

Edges. Remove 68 screws from each

removed wire guides and cable clamps.

trailing edge (LW13 and RW13).

Secure cables to deicing housing with twine

211.7 Remove Steps.

(D14).

a. Remove Left Side Steps. Remove FS

d. Main Rotor Drive Plate Cover.

162/WL 148 and FS 162/WL 168 left side

Cover main rotor drive plate cover with bar-

steps

permit

wing

stowage

rier material (D1) sealed with tape (D13).

(TM 1-1520-238-23).

e. Connection Closure. Cap or wrap dis-

b. ComponentWrap. Wrap

removed

connected deicing connectors with barrier

steps with cushioning material (D5) se-

material (D1) sealed with tape (D13).

cured with tape (D13).

c. Stow. Stow wrapped steps in catwalk

f. Preservation. Apply corrosion preven-

area.

tive compound (D4) to all exposed sur-

faces of ADS mast and distributor.

211.8 Install Forward Fuselage Tiedown Fittings.

g. Component Wrap. Wrap ADS mast and

NOTE

distributor with barrier material (D1)

sealed with tape (D13).

Landing gear cross tube end studs have

nuts at both ends. One cotter pin and nut

h. Stowage. Stow wrapped ADS mast and

will be removed from each stud, and stud

distributor in pilot station. Secure with lap

will be pulled in direction allowing clear

belt and shoulder harness.

removal.

i. Install Panel. Install panel R200.

a. Remove Main Landing Gear Cross Tube

End Caps. Remove one cotter pin, nut,

211.6 Remove Fairings and Access Covers

and washer from cross tube left and right

(fig. 24).

end studs. Then pull studs (with pinned

NOTE

nuts in place) from cross tube. Slide caps

from cross tube ends. Retain removed

Only the following fairings and access

studs, washers, and nuts. Discard removed

covers will be removed for C5 shipment.

cotter pins (fig. 25).

a. Remove Wing Fairings. Remove nine

screws from each fairing (LW10, RW10,

NOTE

LW11, and RW11) (fig. 24).

If installed angle of cross tube stud pre-

b. Remove Wing Access Covers. Re-

vents stud removal, helicopter must be

move 16 screws from each cover (LW9 and

jacked or lifted and cross tube turned

RW9).

(TM 1-1520-238-23).

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